Instinct AI Hits $2.5B Valuation in Weeks Despite No Revenue or User Data

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Personal AI assistant Instinct, built by Reflexion paper author and former Sierra researcher Noah Shinn under Spear Street Technology, has surged from a $100 million valuation to $2.5 billion within weeks. The app, still in free invite-only beta with no disclosed revenue or user numbers, lets people manage everyday tasks by simply texting or calling it, with no new interface required. Funding rounds led by Kleiner Perkins, Benchmark, and Index Ventures have collectively raised around $350 million for the startup. Investors appear to be betting on Instinct becoming a dominant personal AI gateway, drawn by Shinn's deep expertise in AI agent self-correction rather than any obvious consumer-facing novelty. Analysts note the rapid valuation climb reflects speculative confidence in the technology's potential, not current commercial performance.

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